The GMC Sierra delivers strong towing and hauling capability, a smooth ride, and distinctive styling in a full-size pickup. GMC Sierra is built on the same platform, shares mechanicals and is similarly priced to the Chevrolet Silverado. Their exterior styling is quite different, however.
The current-generation Sierra was introduced as a 2007 model. 2009 brought a new 6-speed automatic transmission.
For 2012, StabiliTrak adds trailer sway control and hill-start assist to its superb electronic stability control system. Side-curtain airbags and seat-mounted side-impact airbags come standard on all 2012 Sierra models. Other updates to the 2012 GMC Sierra lineup include more … Full Review
The GMC Sierra delivers strong towing and hauling capability, a smooth ride, and distinctive styling in a full-size pickup. GMC Sierra is built on the same platform, shares mechanicals and is similarly priced to the Chevrolet Silverado. Their exterior styling is quite different, however.
The current-generation Sierra was introduced as a 2007 model. 2009 brought a new 6-speed automatic transmission.
For 2012, StabiliTrak adds trailer sway control and hill-start assist to its superb electronic stability control system. Side-curtain airbags and seat-mounted side-impact airbags come standard on all 2012 Sierra models. Other updates to the 2012 GMC Sierra lineup include more … Hide Full Review
